chromeos: Move EnableScreenLock to PowerManagerClient from PowerLibrary

chrome/browser/chromeos/preferences.cc

Index: chrome/browser/chromeos/preferences.cc
diff --git a/chrome/browser/chromeos/preferences.cc b/chrome/browser/chromeos/preferences.cc
index 4aee054fb852f79c416ce22e74c986242674185e..9591826fabe4c8b7780112d312fa14c282a70863 100644
--- a/chrome/browser/chromeos/preferences.cc
+++ b/chrome/browser/chromeos/preferences.cc
@@ -11,8 +11,8 @@
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/chromeos/cros/cros_library.h"
-#include "chrome/browser/chromeos/cros/power_library.h"
+#include "chrome/browser/chromeos/dbus/dbus_thread_manager.h"
+#include "chrome/browser/chromeos/dbus/power_manager_client.h"
 #include "chrome/browser/chromeos/input_method/input_method_manager.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
 #include "chrome/browser/chromeos/input_method/xkeyboard.h"
@@ -456,7 +456,7 @@ void Preferences::NotifyPrefChanged(const std::string* pref_name) {
 
   // Init or update power manager config.
   if (!pref_name || *pref_name == prefs::kEnableScreenLock) {
-    CrosLibrary::Get()->GetPowerLibrary()->EnableScreenLock(
+    DBusThreadManager::Get()->GetPowerManagerClient()->EnableScreenLock(
         enable_screen_lock_.GetValue());
   }
 }